Form 4 - Statement of changes in beneficial ownership of securities:
SEC Accession No. 0000947871-24-000807
Filing Date
2024-10-17
Accepted
2024-10-17 16:19:30
Documents
1
Period of Report
2024-10-15

Document Format Files

Seq Description Document Type Size
1 ownership.html 4  
1 ownership.xml 4 20358
  Complete submission text file 0000947871-24-000807.txt   21729
Mailing Address P.O. BOX 4023 HERZLIYA PITUACH L3 4614001
Business Address
Chimovits Erez (Reporting) CIK: 0001706399 (see all company filings)

Type: 4 | Act: 34 | File No.: 001-42366 | Film No.: 241377816

Mailing Address 890 WINTER STREET, SUITE 200 WALTHAM MA 02451
Business Address 890 WINTER STREET, SUITE 200 WALTHAM MA 02451 781-208-2466
Upstream Bio, Inc. (Issuer) CIK: 0002022626 (see all company filings)

EIN.: 000000000 | State of Incorp.: DE | Fiscal Year End: 1231
SIC: 2834 Pharmaceutical Preparations
(CF Office: 03 Life Sciences)